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product image - seven segment LED display | 4 digits | 0.28 inch-seven segment display 0.28 inch
productseven segment display 0.28 inch
Part NOBL-Q28A-43,BL-Q28B-43
Dimension36 x 11mm
kindsSEVEN SEGMENT LED -> FOUR DIGITS
DatasheetPDF datasheet of BL-Q28A-43,BL-Q28B-43-seven segment LED display | 4 digits | 0.28 inch

RoHs Compliance, Pb-free Anti-Static Attention
Feature:

0.28 inch four numeric LED display
0.28 inch digit height(7.00mm)
widthxheight:36.00x11.00mm
Low Current Operation
Common Anode and Common Cathode available
Excellent Character Appearance
High Light Output
Easy Mounting On PC Boards or Sockets
IC Compatible
Multicolor Available
Categorized for Luminous Intensity
Technically Rugged
Standard: Gray Surface, White Segment
RoHs Compliance

Applied for:
trainbus information boardLED screnmessage boardindustry instrument

Super Bright LED Electrical-optical characteristics: (Ta=25掳C) (Test Condition: IF=20mA)
Electrical-optical characteristics:(Ta=25C) (Test Condition:IF=20mA)

Part No C.C. Part No C.A. color wavelength V typical V max Brightness
BL-Q28A-43S BL-Q28B-43S High Bright Red 660 1.85 2.2 95
BL-Q28A-43D BL-Q28B-43D Super Bright Red 660 1.85 2.2 110
BL-Q28A-43UR BL-Q28B-43UR Ultra Bright Red 660 1.85 2.2 155
BL-Q28A-43UHR BL-Q28B-43UHR Ultra Breight Red 645 2.1 2.5 155
BL-Q28A-43E BL-Q28B-43E Orange 635 2.1 2.5 105
BL-Q28A-43UE BL-Q28B-43UE High Bright Orange 630 2.1 2.5 110
BL-Q28A-43YO BL-Q28B-43YO Ultra Amber 619 2.1 2.5 110
BL-Q28A-43UY BL-Q28B-43UY High Bright Yellow 590 2.1 2.5 120
BL-Q28A-43Y BL-Q28B-43Y Yellow 585 2.1 2.5 105
BL-Q28A-43UG BL-Q28B-43UG High Bright Green 574 2.2 2.5 130
BL-Q28A-43G BL-Q28B-43G Green 570 2.2 2.5 110
BL-Q28A-43PG BL-Q28B-43PG Super Pure Green 525 3.8 4.5 190
BL-Q28A-43B BL-Q28B-43B Blue 470 2.7 4.2 120
BL-Q28A-43W BL-Q28B-43W White / 2.7 4.2 140

Product Dimension & Internal circuit diagram
seven segment LED display | 4 digits | 0.28 inch Package diagram
Notes:
1)All dimensions are in millimeters (inches)
2)Tolerance is 卤0.25(0.01")unless otherwise noted.
3)Specifications are subject to change without notice.

Reflector Surface color (1st number)/ dot Lens color (2nd number):

Number 0 1 2 3 4 5
Ref Surface Color White Black Gray Red Green  
Dot Epoxy Color Water clear White diffused Red Diffused Green Diffused Yellow Diffused  
Absolute maximum ratings (Ta= 25掳C)
Parameter S G E D UG UE PG   Unit
Forward Current I F 30 30 30 30 30 30 30   mA
Power Dissipation P d 75 80 80 75 75 65 110   mW
Reverse Voltage V R 5 5 5 5 5 5 5   V
Peak Forward Current I PF (Duty 1/10 @1KHZ) 150 150 150 150 150 150 150   mA
Operation Temperature T OPR -40 to +80 掳 C
Storage Temperature T STG -40 to +85 掳 C
Lead Soldering Temperature T SOL   Max.260卤 5 掳C for 3 sec Max. ( 1.6mm from the base of the epoxy bulb) 掳 C

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